Qi Dong

College of Engineering

Works (11)

Updated: October 16th, 2023 08:46

2022 journal article

Cavity Engineering of Perovskite Distributed Feedback Lasers

ACS Photonics, 9(9), 3124–3133.

By: Q. Dong n, X. Fu, D. Seyitliyev n, K. Darabi n, J. Mendes n, L. Lei n, Y. Chen*, C. Chang* ...

author keywords: perovskite lasers; distributed feedback lasers; cavity fabrication; cavity engineering
topics (OpenAlex): Perovskite Materials and Applications; Solid State Laser Technologies; Optical properties and cooling technologies in crystalline materials
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Added: August 19, 2022

2022 article

Room-temperature superfluorescence in hybrid perovskites and its origins

Biliroglu, M., Findik, G., Mendes, J., Seyitliyev, D., Lei, L., Dong, Q., … Gundogdu, K. (2022, March 31). Nature Photonics, Vol. 16, pp. 324–329.

By: M. Biliroglu n, G. Findik n, J. Mendes n, D. Seyitliyev n, L. Lei n, Q. Dong n, Y. Mehta n, V. Temnov *, F. So n , K. Gundogdu n 

topics (OpenAlex): Perovskite Materials and Applications; Photorefractive and Nonlinear Optics; Optical properties and cooling technologies in crystalline materials
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 14, 2022

2021 journal article

Directional Polarized Light Emission from Thin‐Film Light‐Emitting Diodes

Advanced Materials, 33(9), 2006801.

By: X. Fu, Y. Mehta n, Y. Chen*, L. Lei n, L. Zhu n , N. Barange n, Q. Dong n, S. Yin n  ...

author keywords: beam shaping; organic light-emitting diodes; perovskite light-emitting diodes; polarized light; waveguides
topics (OpenAlex): Organic Light-Emitting Diodes Research; Perovskite Materials and Applications; Organic Electronics and Photovoltaics
TL;DR: By selectively diffracting the transverse electric (TE) waveguide mode while suppressing other optical modes in a nanostructured LED, the authors demonstrate highly directional light emission from a full-area organic LED with a small divergence angle less than 3° and a TE to transverse magnetic (TM) polarization extinction ratio of 13.6%. (via Semantic Scholar)
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Added: February 15, 2021

2021 journal article

High-temperature superfluorescence in methyl ammonium lead iodide

Nature Photonics, 15(9), 676–680.

By: G. Findik n, M. Biliroglu n, D. Seyitliyev n, J. Mendes n, A. Barrette n, H. Ardekani n, L. Lei n, Q. Dong n, F. So n , K. Gundogdu n 

topics (OpenAlex): Perovskite Materials and Applications; Spectroscopy and Quantum Chemical Studies; Strong Light-Matter Interactions
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Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: June 22, 2021

2021 article

Light extraction in tandem organic light emitting diodes

Fu, X., Yin, S., Chen, Y.-A., Zhu, L., Dong, Q., Chang, C.-H., & So, F. (2021, August 9). Applied Physics Letters, Vol. 119.

By: X. Fu, S. Yin n , Y. Chen *, L. Zhu n , Q. Dong n, C. Chang *, F. So n 

topics (OpenAlex): Organic Light-Emitting Diodes Research; Organic Electronics and Photovoltaics; Thin-Film Transistor Technologies
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 12, 2021

2021 article

Metal Halide Perovskites for Laser Applications

Lei, L., Dong, Q., Gundogdu, K., & So, F. (2021, February 12). Advanced Functional Materials, Vol. 31.

By: L. Lei n, Q. Dong n, K. Gundogdu n  & F. So n 

author keywords: amplified spontaneous emission; electron– phonon coupling; halide perovskites; lasers; quasi‐ 2D perovskites
topics (OpenAlex): Perovskite Materials and Applications; Chalcogenide Semiconductor Thin Films; Solid State Laser Technologies
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Sources: Web Of Science, NC State University Libraries
Added: March 8, 2021

2020 article

Efficient Energy Funneling in Quasi‐2D Perovskites: From Light Emission to Lasing

Lei, L., Seyitliyev, D., Stuard, S., Mendes, J., Dong, Q., Fu, X., … So, F. (2020, February 28). Advanced Materials, Vol. 32.

By: L. Lei n, D. Seyitliyev n, S. Stuard n, J. Mendes n, Q. Dong n, X. Fu, Y. Chen n, S. He  n ...

author keywords: amplified spontaneous emission; distributed-feedback lasers; energy funneling; light-emitting diodes; quasi-2D perovskites
topics (OpenAlex): Perovskite Materials and Applications; Quantum Dots Synthesis And Properties; Chalcogenide Semiconductor Thin Films
TL;DR: The results show that it is important to control the morphology of the quasi-2D films to achieve efficient energy transfer, which is a critical requirement for light-emitting devices. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: March 16, 2020

2020 article

High‐Performance Tandem Organic Solar Cells Using HSolar as the Interconnecting Layer

Ho, C. H. Y., Kim, T., Xiong, Y., Firdaus, Y., Yi, X., Dong, Q., … So, F. (2020, May 12). Advanced Energy Materials, Vol. 10, p. 2000823.

By: C. Ho n , T. Kim n, Y. Xiong n, Y. Firdaus *, X. Yi n, Q. Dong n, J. Rech *, A. Gadisa n ...

author keywords: interconnecting layers; organic photovoltaics; tandem solar cells
topics (OpenAlex): Organic Electronics and Photovoltaics; Conducting polymers and applications; Perovskite Materials and Applications
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 26, 2020

2020 article

Understanding the Role of Ion Migration in the Operation of Perovskite Light-Emitting Diodes by Transient Measurements

Dong, Q., Mendes, J., Lei, L., Seyitliyev, D., Zhu, L., He, S., … So, F. (2020, October 16). ACS Applied Materials & Interfaces, Vol. 12, pp. 48845–48853.

By: Q. Dong n, J. Mendes n, L. Lei n, D. Seyitliyev n, L. Zhu n , S. He  n, K. Gundogdu n , F. So n 

author keywords: ion migration; perovskite light-emitting diodes; transient electroluminescence; transient current; device physics; charge injection
topics (OpenAlex): Perovskite Materials and Applications; Organic Light-Emitting Diodes Research; Quantum Dots Synthesis And Properties
TL;DR: A combined analysis of both charge injection and recombination dynamics shows that the slow response of the efficiency is attributed to enhanced charge injection facilitated by ion migration, which leads to an increased carrier density favoring bimolecular radiative recombination. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: December 21, 2020

2019 article

Defect Passivation by Fullerene Derivative in Perovskite Solar Cells with Aluminum-Doped Zinc Oxide as Electron Transporting Layer

Dong, Q., Ho, C. H. Y., Yu, H., Salehi, A., & So, F. (2019, May 10). Chemistry of Materials, Vol. 31, pp. 6833–6840.

By: Q. Dong n, C. Ho n , H. Yu n, A. Salehi n & F. So n 

topics (OpenAlex): Perovskite Materials and Applications; Conducting polymers and applications; Chalcogenide Semiconductor Thin Films
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7. Affordable and Clean Energy (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: October 7, 2019

2019 article

Operational stability of perovskite light emitting diodes

Dong, Q., Lei, L., Mendes, J., & So, F. (2019, December 11). Journal of Physics Materials, Vol. 3.

By: Q. Dong n, L. Lei n, J. Mendes n & F. So n 

author keywords: perovskite light emitting diodes; stability; degradation mechanisms; ion migration
topics (OpenAlex): Perovskite Materials and Applications; Organic Light-Emitting Diodes Research; Organic and Molecular Conductors Research
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Sources: Web Of Science, NC State University Libraries
Added: September 7, 2020

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